Is Medea a Tragic Heroine?

It is debatable whether Medea is or not a tragic heroine. It can be argued that Medea is a tragic heroine. However, Medea is not a tragic heroine. According to Aristotle's poetics, a tragic heroine or (protagonist) is someone who gains information previously unknown, leading to important insight. In lamer terms, a tragic protagonist made an error in judgment and didn't realize until it was too late. However, Medea is certainly not a tragic protagonist. The reason is because Medea did all those evil and cruel things not by accident but purposely to kill people in order to get what she wants. Therefore, Medea is not a tragic heroine.
We can't say that the protagonist of the play Medea did not have her reason for seeking revenge on her husband Jason. …